Yellow Crisp-moss
- Group
- Mosses
- Peak month
- March
- Records since 2000
- 1,160
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- Species by county
- Isle of Anglesey
Species recorded in Isle of Anglesey
778 species
Isle of Anglesey — county
Dolichopus ungulatus
- Group
- True flies
- Peak month
- June
- Records since 2000
- 1,145
Common Spiny Digger Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 1,138
Daddy Longleg
- Group
- Mites, harvestmen and other arachnids
- Peak month
- August
- Records since 2000
- 1,100
Sulphur Beetle
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 1,098
Sea Spurge
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 1,096
Dune robberfly
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,074
Hydroporus tessellatus
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,073
Erioptera fuscipennis
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,072
Streblospio shrubsolii
- Group
- Worms (annelids)
- Peak month
- March
- Records since 2000
- 1,070
Cocconeis pediculus
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 1,067
Sciara hemerobioides
- Group
- True flies
- Peak month
- July
- Records since 2000
- 1,057
Hydroporus erythrocephalus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 1,030
Gomphonema olivaceum
- Group
- Seaweeds and algae
- Peak month
- April
- Records since 2000
- 1,026
Degeer's Thickjaw
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 1,024
Hydraena riparia
- Group
- Beetles
- Peak month
- May
- Records since 2000
- 1,024
Tree-mallow
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 991
Herina frondescentiae
- Group
- True flies
- Peak month
- June
- Records since 2000
- 976
Common Ectemnius
- Group
- Bees, wasps and ants
- Peak month
- August
- Records since 2000
- 975
Melosira varians
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 956
Synedra ulna
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 956
Common Stretch Spider
- Group
- Spiders
- Peak month
- June
- Records since 2000
- 932
Heath Threadwort
- Group
- Liverworts
- Peak month
- October
- Records since 2000
- 932
Marsh Helleborine
- Group
- Flowering plants
- Peak month
- July
- Records since 2000
- 925
Pherbellia cinerella
- Group
- True flies
- Peak month
- July
- Records since 2000
- 900
Sellaphora saugerresii
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 888
Bearded Miner Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 877
Sea Rush
- Group
- Flowering plants
- Peak month
- October
- Records since 2000
- 876
Nitzschia fonticola
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 862
Pilaria discicollis
- Group
- True flies
- Peak month
- June
- Records since 2000
- 859
Enochrus coarctatus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 850
Grass Rivulet
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 834
Coastal Silver-stiletto
- Group
- True flies
- Peak month
- July
- Records since 2000
- 811
Large Hook-moss
- Group
- Mosses
- Peak month
- May
- Records since 2000
- 791
White clover weevil
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 773
Cinerous Pearl
- Group
- Butterflies and moths
- Peak month
- June
- Records since 2000
- 770
Spring Squill
- Group
- Flowering plants
- Peak month
- May
- Records since 2000
- 762
Nitzschia inconspicua
- Group
- Seaweeds and algae
- Peak month
- October
- Records since 2000
- 756
Lejogaster metallina
- Group
- True flies
- Peak month
- June
- Records since 2000
- 745
Common Valve Snail
- Group
- Molluscs
- Peak month
- June
- Records since 2000
- 735
Silpha tristis
- Group
- Beetles
- Peak month
- July
- Records since 2000
- 734
Wild Pansy
- Group
- Flowering plants
- Peak month
- June
- Records since 2000
- 725
Gold-fringed Mason Bee
- Group
- Bees, wasps and ants
- Peak month
- May
- Records since 2000
- 721
Jewel reed beetle
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 717
Diatoma vulgaris
- Group
- Seaweeds and algae
- Peak month
- September
- Records since 2000
- 698
Dryops luridus
- Group
- Beetles
- Peak month
- June
- Records since 2000
- 679
Polydora mud worm
- Group
- Worms (annelids)
- Peak month
- June
- Records since 2000
- 675
Slender Bodied Digger Wasp
- Group
- Bees, wasps and ants
- Peak month
- July
- Records since 2000
- 673